| County : | Effingham County |
| State : | Illinois (IL) |
| Land Area : | 478.77 sq mi |
| Water Area : | 1.23 sq mi |
| Latitude : | 39.0476943 |
| Longitude : | -88.5927862 |
| Population (2010): | 34,242 |
| Population Estimate (2012) : | 34,258 |
| Population Density : | 71.52/sq mi |
| Housing Units (2012) : | 14,570 |
| Median Household Income (2012) : | $51,009 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $63,800 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $112,800 (Illinois : $190,800, USA : $181,400) |
Effingham County Cities / Towns
| Altamont City (2,319) | Beecher City Village (463) | Dieterich Village (617) |
| Edgewood Village (440) | Effingham City (12,328) | Mason Town (345) |
| Montrose Village (201) | Shumway Village (202) | Teutopolis Village (1,530) |
| Watson Village (754) |
Effingham County Zip Codes
| 62401 (19,096) | 62411 (4,430) | 62414 (1,886) |
| 62424 (2,092) | 62426 (1,085) | 62443 (1,623) |
| 62445 (907) | 62458 (2,228) | 62461 (854) |
| 62467 (3,741) | 62473 (1,422) | 62838 (1,497) |
| 62858 (2,981) |